"I am the most abundant protein in mammals; Triple helical in structure, with distinct types; Predominantly composed of glycine and proline; I give strength, support and shape to tissues." What am I?
One of the most predominant proteins is called collagen. Collagen is the main component of connective tissue, and is the most abundant protein in mammals, making up about 25% to 35% of the whole-body protein content @ Adejoh Idakwoji